Source note · Message waiting indicator troubleshooting
For Cisco Unified CM SCCP integrations only, the MWI On and Off extensions must be in the same calling search space as the phones and voicemail ports.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Unity Connection
- Subsystem
- SCCP integration
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Unity Connection Release 14 and 15
- Checked
- 2026-09-25
Sources
- Troubleshooting Guide for Cisco Unity Connection Release 15 - Troubleshooting Message Waiting Indicators (MWIs) — Cisco Systems · tier 2 current vendor documentation · MWIs Do Not Turn On or Off, SCCP-only calling search space task (task 11 in the Release 14 ordering)
Cite this note
APA
WarmTransfer. (2026, September 25). Message waiting indicator troubleshooting: source note mwi-troubleshooting-sccp-mwi-css. WarmTransfer. https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-sccp-mwi-css
BibTeX
@misc{warmtransfer-claim-mwi-troubleshooting-sccp-mwi-css,
title = {Message waiting indicator troubleshooting: source note mwi-troubleshooting-sccp-mwi-css},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/mwi-troubleshooting-sccp-mwi-css},
note = {Source note mwi-troubleshooting-sccp-mwi-css, checked 2026-09-25}
}